129824911 has 2 divisors, whose sum is σ = 129824912. Its totient is φ = 129824910.

The previous prime is 129824881. The next prime is 129824917. The reversal of 129824911 is 119428921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129824911 - 2¹³ = 129816719 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129824917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64912455 + 64912456.

It is an arithmetic number, because the mean of its divisors is an integer number (64912456).

Almost surely, 2^129824911 is an apocalyptic number.

129824911 is a deficient number, since it is larger than the sum of its proper divisors (1).

129824911 is an equidigital number, since it uses as much as digits as its factorization.

129824911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 37.

The square root of 129824911 is about 11394.0735033613. The cubic root of 129824911 is about 506.3521727224.

The spelling of 129824911 in words is "one hundred twenty-nine million, eight hundred twenty-four thousand, nine hundred eleven".